Machinist (noun)

1. A person skilled in operating, repairing, or building machinery.
2. A worker who operates, repairs, or builds machinery or mechanical devices.

Origin:

The word 'machinist' comes from the french word 'machiniste' meaning 'a machine operator' which is derived from the latin word 'machina' meaning 'a machine'.

Examples:

1. The machinist was skilled in using lathes and milling machines to make precise parts.
2. The machinist was able to repair the broken machine by fabricating a replacement part.
3. The machinist was able to build a custom machine to meet the specific needs of the company.
4. The machinist was an expert in using computer-aided design software to create machine parts.
5. The machinist was able to diagnose and fix the problem with the machine, restoring it to full operation.